highlight - right-click 'select all similar' then 'v' to make them 'invisible,' and if you want go to 'View' and uncheck 'Show Invisible'
highlight a note and hit CTRL-t to add text above the staff
highlight note and Shift-s to make staccato
highlight notes and click 1, 2, 3, or 4 to make them all into one voice (doesn't totally work)
Edit > Preferences > Canvas display vertically
select first note then CTRL-Shift-End which selects everything to the end. Cut. Select the place you want to move it all to, and Paste (to shift a section ahead a beat)
Inspector to change a note's color, but you have to complete the color change action, and make the color light enough it's not black.